WorksheetsWEEK 3 – Measurement, Scaling & Accuracy
Total questions: 15
Worksheet time: 8mins
What is the definition of "Scale" in technical drawing?
The allowed amount of error in a measurement
The size relationship between a model and the real object
A measurement of length, width, or height
A curved line that is part of a circle
Which term refers to a detailed technical drawing?
Blueprint
Arc
Ratio
Tolerance
What does "Radius" mean in geometry?
The distance across a circle through its center
The space between two lines that meet
The distance from the center of a circle to its edge
A measurement of length, width, or height
Which term describes how close a measurement is to the true value?
Precision
Accuracy
Tolerance
Conversion
What is the meaning of "Tolerance" in measurement?
The allowed amount of error in a measurement
The space between two lines that meet
Changing one unit of measurement into another
A comparison of two measurements
Which of the following is an example of a unit of measurement?
Arc
Inches
Blueprint
Ratio
If a model car is built at a scale of 1:10, what does this mean?
The model is ten times larger than the real car
The model is one-tenth the size of the real car
The model and the real car are the same size
The model is ten times smaller than the real car
You measure the length of a table three times and get 2.00 m, 2.01 m, and 2.00 m. Which term best describes your measurements?
Accuracy
Precision
Tolerance
Conversion
If you have a measurement in inches and need to convert it to centimeters, which process are you using?
Ratio
Conversion
Tolerance
Blueprint
A circle has a diameter of 10 cm. What is its radius?
5 cm
10 cm
20 cm
2 cm
A blueprint shows a room that is 4 cm long. If the scale is 1:50, what is the actual length of the room?
200 cm
50 cm
4 cm
54 cm
You are designing a part that must fit into a slot with a width of 2.00 cm ± 0.05 cm. What is the maximum allowed width for your part?
2.05 cm
2.00 cm
1.95 cm
2.10 cm
A circle has a radius of 7 cm. Calculate its diameter.
14 cm
7 cm
21 cm
3.5 cm
You are given a technical drawing with measurements in inches, but your tools measure in centimeters. Describe the steps you would take to accurately measure the object.
Use the drawing as is
Convert all measurements from inches to centimeters using the conversion factor 1inch=2.54cm , then measure
Estimate the measurements
Ignore the units
You need to draw an arc that is part of a circle with a radius of 5 cm and an angle of 60∘ . What information do you need to calculate the length of the arc?
Only the radius
Only the angle
Both the radius and the angle
The diameter
